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Texas Instruments ADS7054IRUGR
- Part No.:
- ADS7054IRUGR
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 8-XFQFN
- Datasheet:
-
ADS7054IRUGR.pdf
- Description:
- IC ADC 14BIT SAR 8X2QFN
- Quantity:
- Payment:
- Shipping:
Inventory:5,082
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Product details
Overview
ADS7054IRUGR from Texas Instruments is a 14-bit, 1-MSPS, fully differential input successive-approximation register (SAR) analog-to-digital converter optimized for space-constrained, battery-powered systems requiring high-resolution signal acquisition. It operates with AVDD from 1.65 V to 3.6 V, delivers ±0.9-LSB INL and 79.5-dB SINAD at 2 kHz, and supports SPI-compatible serial interface up to 24 MHz - used in sonar receivers and optical encoders.
For engineers reviewing the ADS7054IRUGR datasheet, ADS7054IRUGR pinout, ADS7054IRUGR application, or ADS7054IRUGR equivalent, this page provides verified technical context, validated package mapping (X2QFN-8), confirmed differential input architecture, calibrated offset performance across –40°C to +125°C, and real-world timing constraints including 18×tSCLK conversion time and 230-ns acquisition window.
Technical Context
The ADS7054IRUGR implements a true fully differential SAR architecture with internal capacitive DAC and comparator, sampling AINP–AINM with ±AVDD input range referenced directly to AVDD. Its offset calibration circuitry actively corrects first-order drift, maintaining ±1-LSB offset error over full temperature and supply range.
It uses an SPI-compatible 3-wire interface (CS, SCLK, SDO) where CS falling edge initiates acquisition and SCLK drives both conversion sequencing and serial data output. The device complies with JESD8-7A for DVDD = 1.65 V to 1.95 V and supports independent digital/analog supplies - enabling direct interfacing with low-voltage host controllers without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 distinct output codes for high-fidelity signal digitization in precision sensing. |
| Throughput Rate | 1 MSPS - supports real-time sampling of bandwidth-limited signals up to ~200 kHz full-power bandwidth. |
| INL | ±0.9 LSB - ensures monotonicity and accurate representation of linear transducer outputs without code missing. |
| SINAD | 79.5 dB at 2 kHz - enables >13-bit effective resolution for low-noise applications like thermal imaging front-ends. |
| Power @ 1 MSPS | 1.5 mW with 3.3-V AVDD - allows continuous high-speed acquisition in energy-sensitive portable instruments. |
| Analog Input Range | ±AVDD fully differential - accepts bipolar differential signals without external op-amp gain stages or reference buffers. |
| Operating Temp | –40°C to +125°C - qualified for extended industrial environments including automotive under-hood and industrial motor control. |
Pinout & Package
The ADS7054IRUGR is housed in an 8-pin X2QFN package measuring 1.5 mm × 1.5 mm × 0.35 mm, optimized for ultra-compact PCB layouts and thermal performance (RθJA = 177.5°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - CS | Digital input | Active-low chip-select initiating acquisition on falling edge; tri-states SDO when high. |
| 2 - SDO | Digital output | Serial data output delivering 14-bit two's complement code; high-impedance when CS is high. |
| 3 - SCLK | Digital input | Serial clock synchronizing conversion and data transfer; minimum 41.66 ns period (24 MHz max). |
| 4 - DVDD | Supply | Digital I/O supply (1.65–3.6 V); independent of AVDD, enabling mixed-voltage system interfacing. |
| 5 - GND | Supply | Common ground reference for analog and digital domains; critical for noise isolation in layout. |
| 6 - AVDD | Supply | Analog supply and internal reference (1.65–3.6 V); requires local 3.3-µF ceramic decoupling. |
| 7 - AINP | Analog input | Positive differential input; sampled via 16-pF internal capacitor; ESD-protected to AVDD/GND. |
| 8 - AINM | Analog input | Negative differential input; matched path to AINP; common-mode voltage must be AVDD/2 ± 0.1 V. |
Key Features
| Feature | Design Value |
|---|---|
| Fully differential input architecture | Rejects common-mode noise up to 100+ dB in balanced sensor interfaces such as strain gauges or current shunts. |
| Integrated offset calibration | Maintains ±1-LSB offset error over –40°C to +125°C and full AVDD range, eliminating external calibration routines. |
| JESD8-7A-compliant I/O | Guarantees interoperability with 1.8-V logic families without level shifters when DVDD = 1.65–1.95 V. |
| Ultra-small X2QFN-8 package | 1.5 mm × 1.5 mm footprint reduces board area by >50% vs. standard QFN8, enabling integration into handheld medical devices. |
| Low-power scalable operation | Draws only 45 µW at 100 kSPS with 1.8-V AVDD - extends battery life in portable ultrasonic flow meters. |
Applications
| Optical Encoders | Sonar Receivers |
|---|---|
|
Use Scenario: High-precision angular position feedback in servo motors using diffraction grating-based optical sensors. IC Role / Device Role / Timing Role: Digitizes differential photocurrent signals from quadrature photodiode pairs with minimal latency and no missing codes. Use Value: 14-bit resolution and ±0.9-LSB INL enable sub-arcminute position accuracy; 1-MSPS throughput supports >10,000 RPM motor speeds. |
Use Scenario: Echo signal conditioning in underwater depth-sounding systems with narrowband transducers. IC Role / Device Role / Timing Role: Captures amplified, filtered return pulses with precise timing alignment to transmit trigger via CS-controlled sampling. Use Value: 79.5-dB SINAD at 2 kHz preserves weak echo amplitude integrity; differential input rejects common-mode interference from switching power supplies. |
| Ultrasonic Flow Meters | Thermal Imaging Cameras |
|
Use Scenario: Time-of-flight measurement between upstream/downstream transducers in clamp-on gas/liquid flow sensors. IC Role / Device Role / Timing Role: Samples low-noise, high-gain amplifier outputs synchronized to burst transmission for precise zero-crossing detection. Use Value: 230-ns acquisition time and 12-ps aperture jitter minimize time measurement uncertainty; 1.5-mW power enables battery operation for field-deployed units. |
Use Scenario: Digitizing microvolt-level thermopile outputs in uncooled infrared focal plane arrays. IC Role / Device Role / Timing Role: Converts differential thermopile voltage with integrated offset correction to eliminate thermal drift artifacts in image frames. Use Value: Calibrated offset error ≤ ±1 LSB over –40°C to +125°C ensures stable black-level reference across ambient temperature swings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-resolution SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7052IRUGR | 14-bit, 1-MSPS, single-ended input (vs. ADS7054IRUGR's fully differential) | Requires external instrumentation amplifier for differential sensor signals; higher BOM cost and board area | Select when interfacing single-ended sources (e.g., potentiometers, unipolar RTDs) and layout space permits external signal conditioning. |
| ADS7044IRUGR | 12-bit, 1-MSPS, fully differential input; same package and pinout as ADS7054IRUGR | Limited to 12-bit resolution (4096 codes) and lower SINAD (76.5 dB at 2 kHz) | Choose for cost-sensitive designs where 12-bit resolution suffices and pin compatibility simplifies migration from legacy 12-bit systems. |
Compared with ADS7054IRUGR, ADS7052IRUGR trades differential input capability for single-ended simplicity, while ADS7044IRUGR offers identical form-factor and interface but sacrifices 2 bits of resolution and dynamic range - making ADS7054IRUGR optimal for applications demanding true 14-bit differential fidelity without layout redesign.
Availability
ADS7054IRUGR is available at Aetrix Electronics and suitable for optical encoders, sonar receivers, and ultrasonic flow meters requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADS7054IRUGR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in precision data converters and low-power signal chain solutions.
The ADS7054IRUGR belongs to TI's ultra-small, low-power SAR ADC family designed specifically for space-constrained, battery-operated instrumentation - emphasizing pin-to-pin scalability across 8-/10-/12-/14-bit variants in identical X2QFN-8 packaging.
FAQ
What is the absolute maximum analog input voltage range for ADS7054IRUGR?
The absolute maximum analog input voltage on AINP or AINM is –0.3 V to AVDD + 0.3 V, per the datasheet's Absolute Maximum Ratings table. Exceeding this risks permanent damage due to ESD diode conduction. For reliable operation, the recommended common-mode voltage is AVDD/2 ± 0.1 V, and the differential input span must stay within ±AVDD. ADS7054IRUGR's internal protection diodes connect each input to AVDD and GND, so staying within these limits ensures robustness in noisy industrial environments.
Does ADS7054IRUGR require an external reference voltage?
No, ADS7054IRUGR uses AVDD as its internal reference voltage - no external reference IC or buffer is needed. The device switches internal capacitors to the AVDD pin during conversion, making AVDD both supply and reference. A 3.3-µF low-ESR ceramic capacitor between AVDD and GND is mandatory to stabilize the reference during charge redistribution. ADS7054IRUGR's design eliminates reference-related errors like drift or noise coupling, simplifying layout and reducing BOM count compared to external-reference ADCs.
Can ADS7054IRUGR operate with DVDD = 1.8 V and AVDD = 3.3 V simultaneously?
Yes, ADS7054IRUGR supports independent analog and digital supplies: AVDD may be 3.3 V while DVDD is 1.8 V, enabling direct interfacing with 1.8-V FPGAs or microcontrollers without level shifters. This configuration is explicitly validated in the Recommended Operating Conditions table and meets JESD8-7A compliance for DVDD = 1.65–1.95 V. ADS7054IRUGR's dual-supply architecture isolates digital switching noise from the analog domain, preserving 79.5-dB SINAD performance even with mixed-voltage host systems.
What is the minimum SCLK period supported by ADS7054IRUGR at full throughput?
The minimum SCLK period for ADS7054IRUGR at 1-MSPS throughput is 41.66 ns (24 MHz maximum frequency), as specified in the Timing Requirements table. Each conversion requires at least 18 SCLK falling edges, resulting in a total conversion time of 18 × tSCLK. At 24 MHz, this yields 750 ns conversion time, leaving 250 ns for acquisition - matching the 230-ns tACQ specification. ADS7054IRUGR's timing is deterministic and does not vary with temperature or supply, ensuring consistent frame timing in real-time control loops.
How does the integrated offset calibration function in ADS7054IRUGR?
ADS7054IRUGR performs automatic offset calibration on power-up and optionally during normal operation via the OFFCAL state triggered by specific CS/SCLK sequences. The calibration adjusts internal DAC elements to null first-order offset error, maintaining ±1-LSB performance across –40°C to +125°C and AVDD = 1.65–3.6 V. Unlike software calibration, this is hardware-based and transparent to the host - no CPU cycles or external computation required. ADS7054IRUGR's calibrated offset drift is just 1.75 ppm/°C, making it suitable for maintenance-free field instruments.
ADS7054IRUGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-XFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 1M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- Supply
- Voltage - Supply, Analog:
- 1.65V ~ 3.6V
- Voltage - Supply, Digital:
- 1.65V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 8-X2QFN (1.5x1.5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADS7054IRUGR FAQ
1.How can I place an order for ADS7054IRUGR through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS7054IRUGR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADS7054IRUGR reliable?
The price and inventory of ADS7054IRUGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS7054IRUGR is usually 5 days.
3.What payment methods are accepted for ADS7054IRUGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS7054IRUGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS7054IRUGR?
ADS7054IRUGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS7054IRUGR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADS7054IRUGR?
For technical support, including ADS7054IRUGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS7054IRUGR requirements.
6.How does Aetrix verify that ADS7054IRUGR is sourced from the original manufacturer or authorized distributors?
All ADS7054IRUGR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADS7054IRUGR meets industry standards.
7.What is the process for return or replacement of ADS7054IRUGR?
All ADS7054IRUGR units undergo pre-shipment inspection (PSI). If there is an issue with ADS7054IRUGR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADS7054IRUGR part is unused and in its original packaging.
Return procedure for ADS7054IRUGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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